Iraqi Kurdish Peshmerga f

Photographer: Safin Hamed/AFP via Getty Images
An Iraqi Kurdish Peshmerga fighter takes position on the front line in Khazer, near the Kurdish checkpoint of Aski kalak, 40 km West of Arbil, the capital of the autonomous Kurdish region of northern Iraq, on August 14, 2014.

U.S. said to carry out airstrikes in north Iraq